Theremin Day was a roaring, or more appropriately, a buzzing success. The day kicked off with the Theremin making workshop, led by Mr Underwood, where participants got to make an optical theremin that made...

If you hop on over to http://www.thereminday.co.uk/, Mr Underwood has commenced a countdown to Theremin Day. Saturday the 24th of April is when it all happens, and it looks like Mr Underwood will be...